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Elementary (Grades K-2)
Elementary (Grades 3-5)
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All living and non-living things are composed of matter having characteristic properties that distinguish one substance from another.
A transfer of energy can result in the physical change of state of a substance.
When matter undergoes a chemical change it turns into a new and different substance whose properties are different from the original. No matter how substances interact with one another, the total mass of the system remains the same.
The nucleus of some atoms is unstable and may spontaneously decay.
Everything is constantly moving; motion is relative, but the motion of an object can be described and predicted by tracing and measuring its position over time.
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